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AndyViking
Member Since: 09 Aug 2007
Location: Kent
Posts: 269
  
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Hi
Strange fault has developed in my 08.5 D3 sat nav system.
If I start the car in the morning the sat nav works fine. If I stop the car after a few minutes and then start again, the sat nav freezes on the "I agree" button. The unit under the seat seems dead (no power) and won't eject the disc (even after unlocking the door!). If I leave it for a couple of hours, its still the same. Leaving overnight / 4/5 hours or so means it works again.
I have removed and re-set the three connectors on the rear of the sat nav unit under the passenger seat and it makes no difference.
At all times the screen works fine on the other modes such as DVD / TV / 4x4 etc.
Is it just a duff head unit that needs some TLC (yes I know the system is crap compared to Google but its in the car and I don't like things not owrking in the car)?
Any thoughts greatly appreciated.
Cheers
Andy D3 - 2008.5MY HSE, Stornaway Grey, RSE etc - all the toys
Grabber AT3s, Smoked Sweeping Side Repeaters
D4 Steering Wheel with BBS boards
IID BT Tool - happy to help with fault codes
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 25th Sep 2017 5:00 pm |
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geoffsnook
Member Since: 13 Jun 2014
Location: south wales
Posts: 3170
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It may be a power problem to the dvd drive or a problem with the unit itself they do have a few issues with freezing search on here for sat nav freezing  Discovery 3 se gone
Range rover sport supercharged here:)
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| 25th Sep 2017 6:46 pm |
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AndyViking
Member Since: 09 Aug 2007
Location: Kent
Posts: 269
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Thanks - I searched through the forums before posting and I didn’t spot anything similar. I have done all the standard stuff - cleaned disc, checked plugs, etc.
I suspect it’s a new ECU / box under the passenger seat but wanted to check for anyone else’s experiences first. D3 - 2008.5MY HSE, Stornaway Grey, RSE etc - all the toys
Grabber AT3s, Smoked Sweeping Side Repeaters
D4 Steering Wheel with BBS boards
IID BT Tool - happy to help with fault codes
Last edited by AndyViking on 26th Sep 2017 7:21 pm. Edited 1 time in total
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| 25th Sep 2017 10:08 pm |
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geoffsnook
Member Since: 13 Jun 2014
Location: south wales
Posts: 3170
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it could be you can get a second hand unit from ebay or you can buy the dvd drive's on ali express and fit it yourself which is fiddly but then you know you have at least a new dvd drive Discovery 3 se gone
Range rover sport supercharged here:)
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| 26th Sep 2017 7:14 am |
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AndyViking
Member Since: 09 Aug 2007
Location: Kent
Posts: 269
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Update if this sheds any light on the matter:
The unit still starts after an overnight or such other long rest, and works fine until a short stop / ignition off event. The screen then freezes on the "don't use whilst moving screen" and the "agreed" touch button doesn't work. The rest of the system / screen functions - TV, DVD, etc - all work fine.
After an hour of not working, the screen comes up with quick message about initialising the sat nav or similar, resets itself and then works fine again - I can press the "agreed" button and program the sat nav as normal (or indeed continue on the previous route when it has found me!).
So is this likely to be hardware or perhaps software related? Would sticking the older version of the sat nav route disc into the player help?
Any thoughts would be much appreciated D3 - 2008.5MY HSE, Stornaway Grey, RSE etc - all the toys
Grabber AT3s, Smoked Sweeping Side Repeaters
D4 Steering Wheel with BBS boards
IID BT Tool - happy to help with fault codes
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| 16th Nov 2017 3:30 pm |
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BigElk
Member Since: 21 Jul 2017
Location: Peoples Republic of Kent.
Posts: 60
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Hi. Did you get a definative result for this as ours does much the same?
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| 23rd Apr 2018 9:26 am |
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Gnomad
Member Since: 22 Jul 2018
Location: Harbor Springs
Posts: 71
  
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geoffsnook wrote:it could be you can get a second hand unit from ebay or you can buy the dvd drive's on ali express and fit it yourself which is fiddly but then you know you have at least a new dvd drive
Has anyone done this kind of replacement conversion?
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| 12th Aug 2018 1:38 am |
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Beanwood
Member Since: 16 Oct 2016
Location: Nr Bristol
Posts: 58
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OK - so three years down the line - let's bring this one back to the top.
I am now the proud owner of the above 2008.5MY D3, and the problem remains as it was described in post 1 of this topic. 
I'll get a phone mount sorted so I can use Google Maps or similar, but I dislike things that don't work - so any more ideas on what to investigate first please?
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| 21st Dec 2020 10:16 pm |
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Pete K
Member Since: 15 Jan 2016
Location: GL
Posts: 10684
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Sounds like the unit under the seat at fault.
May as well fit a D4 system if you want to repair.
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| 21st Dec 2020 11:18 pm |
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Beanwood
Member Since: 16 Oct 2016
Location: Nr Bristol
Posts: 58
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Thanks Pete K - do you know, is the D4 unit a direct swap (And is it ANY D4 unit?), or is there anything to look out for/swap?
I've seen mention of the ECU being at fault - is that within the unit, or elsewhere?
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| 22nd Dec 2020 12:01 am |
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Motolab
Member Since: 18 Oct 2019
Location: Sleen
Posts: 1820
 
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Have a (search) and read this topic...
https://www.disco3.co.uk/forum/d4-sat-nav-...=D4+screen
Will take a while, but everything is in there...
Did it myself, and is the best advice in case of your issue. imho...
To be short.. only early D4 screens will work.till. 2010/2011
The Rest is also in that topic.. Best regards
Harold
Always looking for Pre '55's & Pre war British Motorcycles! knowing or having one for sale? PM please. I visit the UK 6 times a year
Ps. I edit my texts quite often, english is not my native language, so I will edit My “typo’s” etc. 
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| 22nd Dec 2020 1:30 am |
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